Research Progress on Optoelectronic Properties of Bi<sub>2</sub>Se<sub>3</sub> Materials

Bi₂Se₃作为一种典型的拓扑绝缘体材料，具有独特的晶体结构和优异的光电特性，与传统导体和绝缘体不同，Bi₂Se₃在强自旋轨道耦合作用下，其表面存在特殊的量子态，不同自旋的电子呈反向运动，在众多材料中脱颖而出，近年来已成为新型光电材料领域的研究热点，广泛应用于光电探测、太阳能电池等众多光电子领域，因此对Bi2Se3的光电特性进行深入探究具有重要意义，基于此本文综述了Bi₂Se₃材料在光电领域的研究进展，详细阐述了其在光电探测器、太阳能电池、非线性光学和自旋光电子学四个层面所展现的独特性能，并对未来Bi₂Se₃在光电子领域的应用与研究进行了展望。As a typical topological insulator material, Bi₂Se₃ has a unique crystal structure and excellent optoelectronic properties, different from traditional conductors and insulators, Bi₂Se₃ has a special quantum state on its surface under the strong spin-orbit coupling, and the electrons of different spins are in reverse motion, which stands out among many materials, and in recent years, it has become a research hotspot in the field of new optoelectronic materials, and is widely used in many optoelectronic fields such as photoelectric detection and solar cells. Therefore, it is of great significance to conduct an in-depth exploration of the photoelectric characteristics of Bi₂Se₃. In this paper, the research progress of Bi₂Se₃ materials in the field of optoelectronics is reviewed, and its unique properties in photodetectors, solar cells, nonlinear optics and spin optoelectronics are elaborated, and the future application and research of Bi₂Se₃ in the field of optoelectronics are prospected.